[td-10529] merge 3.0.

include/common/tname.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TDENGINE_TNAME_H
+#define TDENGINE_TNAME_H
+
+#define TSDB_DB_NAME_T     1
+#define TSDB_TABLE_NAME_T  2
+
+#define T_NAME_ACCT        0x1u
+#define T_NAME_DB          0x2u
+#define T_NAME_TABLE       0x4u
+
+typedef struct SName {
+  uint8_t type;  //db_name_t, table_name_t
+  char    acctId[TSDB_ACCT_ID_LEN];
+  char    dbname[TSDB_DB_NAME_LEN];
+  char    tname[TSDB_TABLE_NAME_LEN];
+} SName;
+
+int32_t tNameExtractFullName(const SName* name, char* dst);
+
+int32_t tNameLen(const SName* name);
+
+SName* tNameDup(const SName* name);
+
+bool tIsValidName(const SName* name);
+
+const char* tNameGetTableName(const SName* name);
+
+int32_t tNameGetDbName(const SName* name, char* dst);
+
+int32_t tNameGetFullDbName(const SName* name, char* dst);
+
+bool tNameIsEmpty(const SName* name);
+
+void tNameAssign(SName* dst, const SName* src);
+
+int32_t tNameFromString(SName* dst, const char* str, uint32_t type);
+
+int32_t tNameSetAcctId(SName* dst, const char* acct);
+
+#if 0
+int32_t tNameSetDbName(SName* dst, const char* acct, SToken* dbToken);
+#endif
+
+#endif  // TDENGINE_TNAME_H

source/common/src/ttypes.c

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "taos.h"
+#include "os.h"
+#include "ttypes.h"
+#include "tcompression.h"
+
+const int32_t TYPE_BYTES[15] = {
+    -1,                      // TSDB_DATA_TYPE_NULL
+    CHAR_BYTES,              // TSDB_DATA_TYPE_BOOL
+    CHAR_BYTES,              // TSDB_DATA_TYPE_TINYINT
+    SHORT_BYTES,             // TSDB_DATA_TYPE_SMALLINT
+    INT_BYTES,               // TSDB_DATA_TYPE_INT
+    sizeof(int64_t),         // TSDB_DATA_TYPE_BIGINT
+    FLOAT_BYTES,             // TSDB_DATA_TYPE_FLOAT
+    DOUBLE_BYTES,            // TSDB_DATA_TYPE_DOUBLE
+    sizeof(VarDataOffsetT),  // TSDB_DATA_TYPE_BINARY
+    sizeof(TSKEY),           // TSDB_DATA_TYPE_TIMESTAMP
+    sizeof(VarDataOffsetT),  // TSDB_DATA_TYPE_NCHAR
+    CHAR_BYTES,              // TSDB_DATA_TYPE_UTINYINT
+    SHORT_BYTES,             // TSDB_DATA_TYPE_USMALLINT
+    INT_BYTES,               // TSDB_DATA_TYPE_UINT
+    sizeof(uint64_t),        // TSDB_DATA_TYPE_UBIGINT
+};
+
+#define DO_STATICS(__sum, __min, __max, __minIndex, __maxIndex, _list, _index) \
+  do {                                                                         \
+    (__sum) += (_list)[(_index)];                                              \
+    if ((__min) > (_list)[(_index)]) {                                         \
+      (__min) = (_list)[(_index)];                                             \
+      (__minIndex) = (_index);                                                 \
+    }                                                                          \
+                                                                               \
+    if ((__max) < (_list)[(_index)]) {                                         \
+      (__max) = (_list)[(_index)];                                             \
+      (__maxIndex) = (_index);                                                 \
+    }                                                                          \
+  } while (0)
+
+static void getStatics_bool(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                            int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  int8_t *data = (int8_t *)pData;
+  *min = INT64_MAX;
+  *max = INT64_MIN;
+  *minIndex = 0;
+  *maxIndex = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (data[i] == TSDB_DATA_BOOL_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(*sum, *min, *max, *minIndex, *maxIndex, data, i);
+  }
+}
+
+static void getStatics_i8(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max, int64_t *sum,
+                          int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  int8_t *data = (int8_t *)pData;
+  *min = INT64_MAX;
+  *max = INT64_MIN;
+  *minIndex = 0;
+  *maxIndex = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint8_t)data[i]) == TSDB_DATA_TINYINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(*sum, *min, *max, *minIndex, *maxIndex, data, i);
+  }
+}
+
+static void getStatics_u8(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max, int64_t *sum,
+                          int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  uint8_t *data = (uint8_t *)pData;
+  uint64_t _min = UINT64_MAX;
+  uint64_t _max = 0;
+  uint64_t _sum = 0;
+
+  *minIndex = 0;
+  *maxIndex = 0;
+
+  assert(numOfRow <= INT16_MAX);
+
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint8_t)data[i]) == TSDB_DATA_UTINYINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(_sum, _min, _max, *minIndex, *maxIndex, data, i);
+  }
+
+  *min = _min;
+  *max = _max;
+  *sum = _sum;
+}
+
+static void getStatics_i16(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max, int64_t *sum,
+                           int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  int16_t *data = (int16_t *)pData;
+  *min = INT64_MAX;
+  *max = INT64_MIN;
+  *minIndex = 0;
+  *maxIndex = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint16_t)data[i]) == TSDB_DATA_SMALLINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(*sum, *min, *max, *minIndex, *maxIndex, data, i);
+  }
+
+}
+
+static void getStatics_u16(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max, int64_t *sum,
+                           int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  uint16_t *data = (uint16_t *)pData;
+  uint64_t _min = UINT64_MAX;
+  uint64_t _max = 0;
+  uint64_t _sum = 0;
+
+  *minIndex = 0;
+  *maxIndex = 0;
+
+  assert(numOfRow <= INT16_MAX);
+
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint16_t)data[i]) == TSDB_DATA_USMALLINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(_sum, _min, _max, *minIndex, *maxIndex, data, i);
+  }
+
+  *min = _min;
+  *max = _max;
+  *sum = _sum;
+}
+
+static void getStatics_i32(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max, int64_t *sum,
+                           int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  int32_t *data = (int32_t *)pData;
+  *min = INT64_MAX;
+  *max = INT64_MIN;
+  *minIndex = 0;
+  *maxIndex = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint32_t)data[i]) == TSDB_DATA_INT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(*sum, *min, *max, *minIndex, *maxIndex, data, i);
+  }
+}
+
+static void getStatics_u32(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                           int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  uint32_t *data = (uint32_t *)pData;
+  uint64_t _min = UINT64_MAX;
+  uint64_t _max = 0;
+  uint64_t _sum = 0;
+
+  *minIndex = 0;
+  *maxIndex = 0;
+
+  assert(numOfRow <= INT16_MAX);
+
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint32_t)data[i]) == TSDB_DATA_UINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(_sum, _min, _max, *minIndex, *maxIndex, data, i);
+  }
+
+  *min = _min;
+  *max = _max;
+  *sum = _sum;
+}
+
+static void getStatics_i64(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                           int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  int64_t *data = (int64_t *)pData;
+  *min = INT64_MAX;
+  *max = INT64_MIN;
+  *minIndex = 0;
+  *maxIndex = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint64_t)data[i]) == TSDB_DATA_BIGINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(*sum, *min, *max, *minIndex, *maxIndex, data, i);
+  }
+}
+
+static void getStatics_u64(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                           int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  uint64_t *data = (uint64_t *)pData;
+  uint64_t _min = UINT64_MAX;
+  uint64_t _max = 0;
+  uint64_t _sum = 0;
+
+  *minIndex = 0;
+  *maxIndex = 0;
+
+  assert(numOfRow <= INT16_MAX);
+
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (((uint64_t)data[i]) == TSDB_DATA_UBIGINT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    DO_STATICS(_sum, _min, _max, *minIndex, *maxIndex, data, i);
+  }
+
+  *min = _min;
+  *max = _max;
+  *sum = _sum;
+}
+
+static void getStatics_f(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                         int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  float *data  = (float *)pData;
+  float fmin   = FLT_MAX;
+  float fmax   = -FLT_MAX;
+  double dsum  = 0;
+  *minIndex    = 0;
+  *maxIndex    = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if ((*(uint32_t*)&(data[i])) == TSDB_DATA_FLOAT_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+
+    float fv = GET_FLOAT_VAL((const char*)&(data[i]));
+
+    dsum += fv;
+    if (fmin > fv) {
+      fmin = fv;
+      *minIndex = i;
+    }
+    
+    if (fmax < fv) {
+      fmax = fv;
+      *maxIndex = i;
+    }
+  }
+  
+  SET_DOUBLE_VAL(sum, dsum);
+  SET_DOUBLE_VAL(max, fmax);
+  SET_DOUBLE_VAL(min, fmin);
+}
+
+static void getStatics_d(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                         int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  double *data = (double *)pData;
+  double dmin  = DBL_MAX;
+  double dmax  = -DBL_MAX;
+  double dsum  = 0;
+  *minIndex    = 0;
+  *maxIndex    = 0;
+  
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if ((*(uint64_t*)&(data[i])) == TSDB_DATA_DOUBLE_NULL) {
+      (*numOfNull) += 1;
+      continue;
+    }
+    
+    double dv = 0;
+    dv = GET_DOUBLE_VAL((const char*)&(data[i]));
+    dsum += dv;
+    if (dmin > dv) {
+      dmin = dv;
+      *minIndex = i;
+    }
+    
+    if (dmax < dv) {
+      dmax = dv;
+      *maxIndex = i;
+    }
+  }
+  
+  SET_DOUBLE_PTR(sum, &dsum);
+  SET_DOUBLE_PTR(max, &dmax);
+  SET_DOUBLE_PTR(min, &dmin);
+}
+
+static void getStatics_bin(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                         int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  const char* data = pData;
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (isNull(data, TSDB_DATA_TYPE_BINARY)) {
+      (*numOfNull) += 1;
+    }
+    
+    data += varDataTLen(data);
+  }
+  
+  *sum = 0;
+  *max = 0;
+  *min = 0;
+  *minIndex = 0;
+  *maxIndex = 0;
+}
+
+static void getStatics_nchr(const void *pData, int32_t numOfRow, int64_t *min, int64_t *max,
+                           int64_t *sum, int16_t *minIndex, int16_t *maxIndex, int16_t *numOfNull) {
+  const char* data = pData;
+  assert(numOfRow <= INT16_MAX);
+  
+  for (int32_t i = 0; i < numOfRow; ++i) {
+    if (isNull(data, TSDB_DATA_TYPE_NCHAR)) {
+      (*numOfNull) += 1;
+    }
+    
+    data += varDataTLen(data);
+  }
+  
+  *sum = 0;
+  *max = 0;
+  *min = 0;
+  *minIndex = 0;
+  *maxIndex = 0;
+}
+
+tDataTypeDescriptor tDataTypes[15] = {
+  {TSDB_DATA_TYPE_NULL,      6,  1,            "NOTYPE",             0,          0,              NULL,                NULL,                  NULL},
+  {TSDB_DATA_TYPE_BOOL,      4,  CHAR_BYTES,   "BOOL",               false,      true,           tsCompressBool,      tsDecompressBool,      getStatics_bool},
+  {TSDB_DATA_TYPE_TINYINT,   7,  CHAR_BYTES,   "TINYINT",            INT8_MIN,   INT8_MAX,       tsCompressTinyint,   tsDecompressTinyint,   getStatics_i8},
+  {TSDB_DATA_TYPE_SMALLINT,  8,  SHORT_BYTES,  "SMALLINT",           INT16_MIN,  INT16_MAX,      tsCompressSmallint,  tsDecompressSmallint,  getStatics_i16},
+  {TSDB_DATA_TYPE_INT,       3,  INT_BYTES,    "INT",                INT32_MIN,  INT32_MAX,      tsCompressInt,       tsDecompressInt,       getStatics_i32},
+  {TSDB_DATA_TYPE_BIGINT,    6,  LONG_BYTES,   "BIGINT",             INT64_MIN,  INT64_MAX,      tsCompressBigint,    tsDecompressBigint,    getStatics_i64},
+  {TSDB_DATA_TYPE_FLOAT,     5,  FLOAT_BYTES,  "FLOAT",              0,          0,              tsCompressFloat,     tsDecompressFloat,     getStatics_f},
+  {TSDB_DATA_TYPE_DOUBLE,    6,  DOUBLE_BYTES, "DOUBLE",             0,          0,              tsCompressDouble,    tsDecompressDouble,    getStatics_d},
+  {TSDB_DATA_TYPE_BINARY,    6,  0,            "BINARY",             0,          0,              tsCompressString,    tsDecompressString,    getStatics_bin},
+  {TSDB_DATA_TYPE_TIMESTAMP, 9,  LONG_BYTES,   "TIMESTAMP",          INT64_MIN,  INT64_MAX,      tsCompressTimestamp, tsDecompressTimestamp, getStatics_i64},
+  {TSDB_DATA_TYPE_NCHAR,     5,  8,            "NCHAR",              0,          0,              tsCompressString,    tsDecompressString,    getStatics_nchr},
+  {TSDB_DATA_TYPE_UTINYINT,  16, CHAR_BYTES,   "TINYINT UNSIGNED",   0,          UINT8_MAX,      tsCompressTinyint,   tsDecompressTinyint,   getStatics_u8},
+  {TSDB_DATA_TYPE_USMALLINT, 17, SHORT_BYTES,  "SMALLINT UNSIGNED",  0,          UINT16_MAX,     tsCompressSmallint,  tsDecompressSmallint,  getStatics_u16},
+  {TSDB_DATA_TYPE_UINT,      12, INT_BYTES,    "INT UNSIGNED",       0,          UINT32_MAX,     tsCompressInt,       tsDecompressInt,       getStatics_u32},
+  {TSDB_DATA_TYPE_UBIGINT,   15, LONG_BYTES,   "BIGINT UNSIGNED",    0,          UINT64_MAX,     tsCompressBigint,    tsDecompressBigint,    getStatics_u64},
+};
+
+char tTokenTypeSwitcher[13] = {
+    TSDB_DATA_TYPE_NULL,    // no type
+    TSDB_DATA_TYPE_BINARY,  // TK_ID
+    TSDB_DATA_TYPE_BOOL,    // TK_BOOL
+    TSDB_DATA_TYPE_BIGINT,  // TK_TINYINT
+    TSDB_DATA_TYPE_BIGINT,  // TK_SMALLINT
+    TSDB_DATA_TYPE_BIGINT,  // TK_INTEGER
+    TSDB_DATA_TYPE_BIGINT,  // TK_BIGINT
+    TSDB_DATA_TYPE_DOUBLE,  // TK_FLOAT
+    TSDB_DATA_TYPE_DOUBLE,  // TK_DOUBLE
+    TSDB_DATA_TYPE_BINARY,  // TK_STRING
+    TSDB_DATA_TYPE_BIGINT,  // TK_TIMESTAMP
+    TSDB_DATA_TYPE_BINARY,  // TK_BINARY
+    TSDB_DATA_TYPE_NCHAR,   // TK_NCHAR
+};
+
+float floatMin = -FLT_MAX, floatMax = FLT_MAX;
+double doubleMin = -DBL_MAX, doubleMax = DBL_MAX;
+
+FORCE_INLINE void* getDataMin(int32_t type) {
+  switch (type) {
+    case TSDB_DATA_TYPE_FLOAT:
+      return &floatMin;
+    case TSDB_DATA_TYPE_DOUBLE:
+      return &doubleMin;
+    default:
+      return &tDataTypes[type].minValue;
+  }
+}
+
+FORCE_INLINE void* getDataMax(int32_t type) {
+  switch (type) {
+    case TSDB_DATA_TYPE_FLOAT:
+      return &floatMax;
+    case TSDB_DATA_TYPE_DOUBLE:
+      return &doubleMax;
+    default:
+      return &tDataTypes[type].maxValue;
+  }
+}
+
+bool isValidDataType(int32_t type) {
+  return type >= TSDB_DATA_TYPE_NULL && type <= TSDB_DATA_TYPE_UBIGINT;
+}
+
+void setVardataNull(void* val, int32_t type) {
+  if (type == TSDB_DATA_TYPE_BINARY) {
+    varDataSetLen(val, sizeof(int8_t));
+    *(uint8_t*) varDataVal(val) = TSDB_DATA_BINARY_NULL;
+  } else if (type == TSDB_DATA_TYPE_NCHAR) {
+    varDataSetLen(val, sizeof(int32_t));
+    *(uint32_t*) varDataVal(val) = TSDB_DATA_NCHAR_NULL;
+  } else {
+    assert(0);
+  }
+}
+
+void setNull(void *val, int32_t type, int32_t bytes) { setNullN(val, type, bytes, 1); }
+
+#define POINTER_SHIFT(p, b) ((void *)((char *)(p) + (b)))
+
+void setNullN(void *val, int32_t type, int32_t bytes, int32_t numOfElems) {
+  switch (type) {
+    case TSDB_DATA_TYPE_BOOL:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint8_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_BOOL_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_TINYINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint8_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_TINYINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_SMALLINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint16_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_SMALLINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_INT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint32_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_INT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_TIMESTAMP:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint64_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_BIGINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_UTINYINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint8_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_UTINYINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_USMALLINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint16_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_USMALLINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_UINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint32_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_UINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_UBIGINT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint64_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_UBIGINT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_FLOAT:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint32_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_FLOAT_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_DOUBLE:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint64_t *)(POINTER_SHIFT(val, i * tDataTypes[type].bytes)) = TSDB_DATA_DOUBLE_NULL;
+      }
+      break;
+    case TSDB_DATA_TYPE_NCHAR:
+    case TSDB_DATA_TYPE_BINARY:
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        setVardataNull(POINTER_SHIFT(val, i * bytes), type);
+      }
+      break;
+    default: {
+      for (int32_t i = 0; i < numOfElems; ++i) {
+        *(uint32_t *)(POINTER_SHIFT(val, i * tDataTypes[TSDB_DATA_TYPE_INT].bytes)) = TSDB_DATA_INT_NULL;
+      }
+      break;
+    }
+  }
+}
+
+static uint8_t      nullBool = TSDB_DATA_BOOL_NULL;
+static uint8_t      nullTinyInt = TSDB_DATA_TINYINT_NULL;
+static uint16_t     nullSmallInt = TSDB_DATA_SMALLINT_NULL;
+static uint32_t     nullInt = TSDB_DATA_INT_NULL;
+static uint64_t     nullBigInt = TSDB_DATA_BIGINT_NULL;
+static uint32_t     nullFloat = TSDB_DATA_FLOAT_NULL;
+static uint64_t     nullDouble = TSDB_DATA_DOUBLE_NULL;
+static uint8_t      nullTinyIntu = TSDB_DATA_UTINYINT_NULL;
+static uint16_t     nullSmallIntu = TSDB_DATA_USMALLINT_NULL;
+static uint32_t     nullIntu = TSDB_DATA_UINT_NULL;
+static uint64_t     nullBigIntu = TSDB_DATA_UBIGINT_NULL;
+static SBinaryNullT nullBinary = {1, TSDB_DATA_BINARY_NULL};
+static SNCharNullT  nullNchar = {4, TSDB_DATA_NCHAR_NULL};
+
+static const void *nullValues[] = {
+    &nullBool,     &nullTinyInt,   &nullSmallInt, &nullInt,    &nullBigInt,
+    &nullFloat,    &nullDouble,    &nullBinary,   &nullBigInt, &nullNchar,
+    &nullTinyIntu, &nullSmallIntu, &nullIntu,     &nullBigIntu,
+};
+
+const void *getNullValue(int32_t type) {
+  assert(type >= TSDB_DATA_TYPE_BOOL && type <= TSDB_DATA_TYPE_UBIGINT);
+  return nullValues[type - 1];
+}
+
+void assignVal(char *val, const char *src, int32_t len, int32_t type) {
+  switch (type) {
+    case TSDB_DATA_TYPE_BOOL:
+    case TSDB_DATA_TYPE_TINYINT:
+    case TSDB_DATA_TYPE_UTINYINT:
+      *((int8_t *)val) = GET_INT8_VAL(src);
+      break;
+    case TSDB_DATA_TYPE_SMALLINT:
+    case TSDB_DATA_TYPE_USMALLINT:
+      *((int16_t *)val) = GET_INT16_VAL(src);
+      break;
+    case TSDB_DATA_TYPE_INT:
+    case TSDB_DATA_TYPE_UINT:
+      *((int32_t *)val) = GET_INT32_VAL(src);
+      break;
+
+    case TSDB_DATA_TYPE_FLOAT:
+      SET_FLOAT_VAL(val, GET_FLOAT_VAL(src));
+      break;
+    case TSDB_DATA_TYPE_DOUBLE:
+      SET_DOUBLE_VAL(val, GET_DOUBLE_VAL(src));
+      break;
+    case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_UBIGINT:
+    case TSDB_DATA_TYPE_TIMESTAMP:
+      *((int64_t *)val) = GET_INT64_VAL(src);
+      break;
+    case TSDB_DATA_TYPE_BINARY:
+      varDataCopy(val, src);
+      break;
+    case TSDB_DATA_TYPE_NCHAR:
+      varDataCopy(val, src);
+      break;
+    default: {
+      memcpy(val, src, len);
+      break;
+    }
+  }
+}
+
+void operateVal(void *dst, void *s1, void *s2, int32_t optr, int32_t type) {
+  if (optr == TSDB_BINARY_OP_ADD) {
+    switch (type) {
+      case TSDB_DATA_TYPE_TINYINT:
+        *((int8_t *)dst) = GET_INT8_VAL(s1) + GET_INT8_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_UTINYINT:
+        *((uint8_t *)dst) = GET_UINT8_VAL(s1) + GET_UINT8_VAL(s2);        
+        break;
+      case TSDB_DATA_TYPE_SMALLINT:
+        *((int16_t *)dst) = GET_INT16_VAL(s1) + GET_INT16_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_USMALLINT:
+        *((uint16_t *)dst) = GET_UINT16_VAL(s1) + GET_UINT16_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_INT:
+        *((int32_t *)dst) = GET_INT32_VAL(s1) + GET_INT32_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_UINT:
+        *((uint32_t *)dst) = GET_UINT32_VAL(s1) + GET_UINT32_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_BIGINT:
+        *((int64_t *)dst) = GET_INT64_VAL(s1) + GET_INT64_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_UBIGINT:
+        *((uint64_t *)dst) = GET_UINT64_VAL(s1) + GET_UINT64_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_TIMESTAMP:
+        *((int64_t *)dst) = GET_INT64_VAL(s1) + GET_INT64_VAL(s2);
+        break;
+      case TSDB_DATA_TYPE_FLOAT:
+        SET_FLOAT_VAL(dst, GET_FLOAT_VAL(s1) + GET_FLOAT_VAL(s2));
+        break;
+      case TSDB_DATA_TYPE_DOUBLE:
+        SET_DOUBLE_VAL(dst, GET_DOUBLE_VAL(s1) + GET_DOUBLE_VAL(s2));
+        break;
+      default: {
+        assert(0);
+        break;
+      }
+    }
+  } else {
+    assert(0);
+  }
+}
+
+#define SWAP(a, b, c)        \
+    do {                     \
+      typeof(a) __tmp = (a); \
+      (a) = (b);             \
+      (b) = __tmp;           \
+    } while (0)
+
+
+void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size, void* buf) {
+  switch (type) {
+    case TSDB_DATA_TYPE_INT:
+    case TSDB_DATA_TYPE_UINT: {
+      SWAP(*(int32_t *)(pLeft), *(int32_t *)(pRight), int32_t);
+      break;
+    }
+    
+    case TSDB_DATA_TYPE_BIGINT:
+    case TSDB_DATA_TYPE_UBIGINT:
+    case TSDB_DATA_TYPE_TIMESTAMP: {
+      SWAP(*(int64_t *)(pLeft), *(int64_t *)(pRight), int64_t);
+      break;
+    }
+    case TSDB_DATA_TYPE_DOUBLE: {
+      SWAP(*(double *)(pLeft), *(double *)(pRight), double);
+      break;
+    }
+    case TSDB_DATA_TYPE_SMALLINT:
+    case TSDB_DATA_TYPE_USMALLINT: {
+      SWAP(*(int16_t *)(pLeft), *(int16_t *)(pRight), int16_t);
+      break;
+    }
+    
+    case TSDB_DATA_TYPE_FLOAT: {
+      SWAP(*(float *)(pLeft), *(float *)(pRight), float);
+      break;
+    }
+    
+    case TSDB_DATA_TYPE_BOOL:
+    case TSDB_DATA_TYPE_TINYINT:
+    case TSDB_DATA_TYPE_UTINYINT: {
+      SWAP(*(int8_t *)(pLeft), *(int8_t *)(pRight), int8_t);
+      break;
+    }
+    
+    default: {
+      memcpy(buf, pLeft, size);
+      memcpy(pLeft, pRight, size);
+      memcpy(pRight, buf, size);
+      break;
+    }
+  }
+}

source/libs/executor/inc/tarithoperator.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TD_COMMON_QARITHMETICOPERATOR_H_
+#define _TD_COMMON_QARITHMETICOPERATOR_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*_arithmetic_operator_fn_t)(void *left, int32_t numLeft, int32_t leftType, void *right, int32_t numRight,
+                                          int32_t rightType, void *output, int32_t order);
+
+_arithmetic_operator_fn_t getArithmeticOperatorFn(int32_t arithmeticOptr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /*_TD_COMMON_QARITHMETICOPERATOR_H_*/

source/libs/executor/src/tarithoperator.h

+/*
+ * Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
+ *
+ * This program is free software: you can use, redistribute, and/or modify
+ * it under the terms of the GNU Affero General Public License, version 3
+ * or later ("AGPL"), as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TD_COMMON_QARITHMETICOPERATOR_H_
+#define _TD_COMMON_QARITHMETICOPERATOR_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef void (*_arithmetic_operator_fn_t)(void *left, int32_t numLeft, int32_t leftType, void *right, int32_t numRight,
+                                          int32_t rightType, void *output, int32_t order);
+
+_arithmetic_operator_fn_t getArithmeticOperatorFn(int32_t arithmeticOptr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  /*_TD_COMMON_QARITHMETICOPERATOR_H_*/